ketal
National Institutes of Health
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The ethylene glycol ketal of neopinone was prepared in a one-pot procedure by the reaction of thebaine with ethylene glyocol in…
A comprehensive series of solution and crystallographic studies reveal how simple, achiral, bivalent ligands of the cyclic…
Treatment of tetraoxa-cages 1a–f with Lewis acids such as
TiCl
4
, AlCl
3
, BF
3
·OEt
2
and MeSO
3
H in…
Recently we published an example of the synthetic utility of the gem-dialkoxy effect for the efficient preparation of strained…
Previous studies have shown that the structurally related oral anticoagulants warfarin and phenprocoumon are regioselectively…
Thin films (3–6 μm) of poly-(methyl methacrylate) and benzildimethylketal were deposited from solutions in methyl methacrylate or…
The conversion of dihydrothebainone to codeine or thebaine has been achieved in high yield. Bromination and dehydrobromination…
A glucan containing 0.6% of pyruvic acid has been isolated from the mycelium of Microsporum quinckeanum. Methylation studies on…
The acetonation reaction of L-sorbose with acetone dimethyl ketal was investigated. The products and the yields were greatly…